package com.yang.demo.config.security;


import com.fasterxml.jackson.databind.ObjectMapper;
import com.yang.demo.entity.RespBean;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * @author: eme
 * @since: 2022/5/5
 * 未授权或者token失效是访问接口，自定义返回结果
 */
@Component
public class RestAuthorizationEntryPoint extends RespBean implements AuthenticationEntryPoint {
    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException {
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json");
        PrintWriter out = response.getWriter();
        RespBean bean = RespBean.error("权限不足");
        bean.setCode(UNAUTHORIZED);
        out.write(new ObjectMapper().writeValueAsString(bean));
        out.flush();
        out.close();
    }
}
